Commit Graph

6 Commits

Author SHA1 Message Date
Josh Boyer
7fe519c207 powerpc: Introduce ppc_pci_flags accessors
Currently there are a number of platforms that open code access to
the ppc_pci_flags global variable.  However, that variable is not
present if CONFIG_PCI is not set, which can lead to a build break.

This introduces a number of accessor functions that are defined
to be empty in the case of CONFIG_PCI being disabled.  The
various platform files in the kernel are updated to use these.

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-12-16 15:53:16 +11:00
Stefan Roese
93173ce272 [POWERPC] 4xx: Create common ppc4xx_reset_system() in ppc4xx_soc.c
This patch creates a common system reset routine for all 40x and 44x
systems. Previously only a 44x routine existed. But since this system
reset via the debug control register is common for 40x and 44x let's
share this code for all those platforms in ppc4xx_soc.c.

This patch also enables CONFIG_4xx_SOC for all 40x and 44x platforms.

Tested on Kilauea (405EX) and Canyonlands (440EX).

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2008-04-02 20:44:56 -05:00
Josh Boyer
3f8c5c3b4d [POWERPC] 4xx: Use machine_device_initcall for bus probe
Some machine_xx_initcall macros were recently added that check for the machine
type before calling the function.  This converts the 4xx platforms to use those
for bus probing.

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2007-12-24 10:42:02 -06:00
Josh Boyer
8cb34d291d [POWERPC] 4xx: Mark of_bus structures as __initdata
Mark the of_device_id structures used to probe the various busses on 4xx
as __initdata.

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2007-12-24 08:40:31 -06:00
Benjamin Herrenschmidt
25c24f3dc7 [POWERPC] pci32: 4xx embedded platforms want to reassign all PCI resources
This makes 4xx embedded platforms re-assign all PCI resources as we
pretty much never care about what the various firmwares have done on
these, it's generally not compatible with the way the kernel will map
the bridges.

We still need to also enable bus renumbering on some of them, but I
will do that from a separate patch after I've fixed 4xx PCIe to handle
all bus numbers.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2007-12-23 13:18:59 -06:00
Benjamin Herrenschmidt
619740384c [POWERPC] 4xx: EP405 boards support for arch/powerpc
Brings EP405 support to arch/powerpc. The IRQ routing for the CPLD
comes from a device-tree property, PCI is working to the point where
I can see the video card, USB device, and south bridge.

This should work with both EP405 and EP405PC.

I've not totally figured out how IRQs are wired on this hardware
though, thus at this stage, expect only USB interrupts working,
pretty much the same as what arch/ppc did.

Also, the flash, nvram, rtc and temp control still have to be wired.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
2007-12-23 13:13:14 -06:00